Can anybody achieve knowledge and power from shirk and kufr?

In the Name of Allah, the Most Gracious, the Most Merciful.

As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.

Your question is not clear. Please kindly clarify and resubmit your answer.

Sohail ibn Arif,
Student Darul Iftaa
Chicago, USA

Checked and Approved by,
Mufti Ebrahim Desai.